Valid

GB/T 37969-2019Standard guidelines for near infrared qualitative analysis (English PDF)

近红外光谱定性分析通则

Preview PDF

This is a limited preview

Buy now to download the full PDF (24 pages)

Need quotation for your management?

Get a formal quotation for GB/T 37969-2019 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 30, 2019

Implementation date

March 1, 2020

Scope

GB/T 37969-2019 is the English-translated version of 近红外光谱定性分析通则.

GB/T 37969-2019 is the Chinese standard "Standard guidelines for near infrared qualitative analysis".

Its scope clause reads: This standard specifies the basic principles and methods of qualitative analysis of near-infrared spectroscopy, using software, instrumentation, spectrometry, samples, and qualitative Analyze the general requirements for test procedures, test data processing, test reports, and more.

This standard applies to the absorption range of 12820cm-1~4000cm-1 (ie 780nm~2500nm) near-infrared spectroscopy analysis. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 37969-2019

National Standard of the People's Republic of China

ICS
71.040.99
Classification
N 30

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 4 Principles and methods
  • 5 Chemometrics Software
  • 6 instruments and equipment
  • 7 Spectral measurement
  • 8 sample
  • 9 Near-infrared spectroscopy qualitative analysis test step
  • 10 Spectral data preprocessing
  • 11 spectral feature variable selection
  • 16 Test report
  • 17 Test Quality Assurance Requirements
  • 18 Common types of errors, sources and solutions
  • Appendix A (informative) Introduction to common methods for pattern recognition in near-infrared spectrum
  • Appendix B (informative) F Distribution Threshold Table
  • Appendix C (informative) Common types of errors, sources and solutions

1 Scope

This standard specifies the basic principles and methods of qualitative analysis of near-infrared spectroscopy, using software, instrumentation, spectrometry, samples, and qualitative

Analyze the general requirements for test procedures, test data processing, test reports, and more.

This standard applies to the absorption range of 12820cm-1~4000cm-1 (ie 780nm~2500nm) near-infrared spectroscopy analysis.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 8322 molecular absorption spectroscopy terminology

GB/T 29858-2013 General rules for quantitative analysis of molecular spectra

3 Terms and definitions

The following terms and definitions as defined in GB/T 8322 apply to this document.

3.1 Training sample

Learning sample learningsamples

Reference sample referencesamples

A property, feature, or composition of a known sample.

3.2 Training set

Learning set learningset

Reference set referenceset

A collection of training samples.

3.3 Verify sample

A sample used to verify the discriminative power of a class model whose properties, characteristics, or composition are known.

3.4 Verification set validationset

Verify the collection of samples.

3.5 Training

Learning learning

The process of finding the relationship between a spectrum and a sample's properties, characteristics, or composition, the process of building a class model.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Similar standards

How to Download GB/T 37969-2019

  1. 1

    Add to cart

    Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

  2. 2

    Checkout

    Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

  3. 3

    Instant delivery (0–9 sec)

    Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

  4. 4

    Invoice included

    A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.

Related Standards

English PDF
24 pages
Instant delivery (0–9 sec)
Invoice included
View Cart

Secure payment via Stripe

Payments accepted

VisaMastercardAmerican ExpressApple PayGoogle PayStripe

GB/T 37969-2019

$415.00